90-2x=20

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Solution for 90-2x=20 equation: 


Simplifying
90 + -2x = 20

Solving
90 + -2x = 20

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-90' to each side of the equation.
90 + -90 + -2x = 20 + -90

Combine like terms: 90 + -90 = 0
0 + -2x = 20 + -90
-2x = 20 + -90

Combine like terms: 20 + -90 = -70
-2x = -70

Divide each side by '-2'.
x = 35

Simplifying
x = 35

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